Impact of Physical Activity on Successful Aging

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

90 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-09-30

Study Completion Date

2016-10-31

Brief Summary

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Emerging literature suggests that vascular factors might be involved in the pathogenesis of Alzheimer's disease (AD). Other recent studies demonstrate the positive effects of physical activity on cognitive and behavioral disturbances of patients with AD. Therefore, it has been postulated that exercise enchantment in cerebral circulation is the physiological mechanism that link physical exercise and reduction of AD symptoms. Consequently, a program of physical activity could be considered one approach to counteract dementia by improving cerebrovascular health.

However at this moment, it is not clear if the progressive brain vascular dysfunction and hypoperfusion, associated with the β-amyloid deposition, might be reversed or stabilized by an exercise intervention.

The aim of this study is to assess, in patients with AD, the influence of physical exercise, compared to cognitive stimulation, on:

* Cognitive function;
* Independence in daily living and behavioral symptoms;
* Vascular function Finally, to investigate the physiological processes on the basis of the motor parameters' changes, the performances of the patients will be compared with the performances of healthy young and old subjects.

MAIN OBJECTIVE: Investigate, in patients with Mild Cognitive Impairment (MCI) and AD, the effects of a physical activity program, or cognitive stimulation on global cognitive function.

SECONDARY OBJECTIVES: Investigate the effects of the two treatments on:

* cognitive and motor performances,
* independence in activities of daily living,
* behavioral symptoms,
* peripheral vascular function.

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Detailed Description

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STUDY DESIGN:

Randomised controlled, blinded clinical trial.

SUBJECTS:

The study will include 120 patients with definite diagnosis of MCI or AD and 30 young healthy subjects and 30 old healthy subjects referred to the Research Unit associated with the Department.

Patients will be regarded as suitable to participate if they fulfilled the following criteria:

* Mini Mental State Examination (MMSE) ≥ 8;
* Performance Oriented Mobility Assessment ≥ 19 (POMA).

Exclusion criteria will be:

* presence of other concurrent neurological diseases;
* presence of other orthopaedic diseases involving the lower limbs and/or interfering with standing position and/or walking;
* presence of severe auditory and visual deficits not corrected;
* abuse of alcohol or drugs;
* psychiatric disorders,
* severe behavioral disorders;
* hearth and respiratory disease that interfere with the motor activity. The protocol was be approved by the local ethics committee with number 2389. All participants will perform a physiatric examination by a medical doctor of the Department of Neurological and Movement Sciences. Written inform consent will be obtained from all participants before inclusion in the study.

Participants who will meet the inclusion criteria will conduct a clinical and instrumental evaluation at enrollment (T0) and after 6 months ± 15 days after the first visit (T1). The assessment procedures will also be repeated after 3 months (T2) from T1.

ASSESSMENT PROCEDURES

Primary endpoints:

\- score obtained in the Mini Mental State Examination.

Secondary endpoints:

\- score obtained in a cognitive battery.

For MCI patients will be used:

* Trial Making Test (Reitan,1958),
* Rivermead Behavioral Memory Test (Wilson, 1989),
* Tower of London (Shallice, 1982),
* Dual Task (Della Sala et al., 1997),
* Frontal Assessment Battery (Iavarone A et al., 2004).

For AD patients will be used:

* Attention Matrix (Spinnler et al., 1987),
* Alzheimer's Disease Assessment Scale (Rosen WG et al., 1984),
* Frontal Assessment Battery (Iavarone A et al., 2004).

\- score obtained in a motor skills assessment composed by:
* 6-Minute Walking Test (Ries JD et al., 2009),
* gait analysis by GAITRite® System (Bilney B et al., 2003),
* stabilometric assessments with Stability Line (Nashner LM and Peters JF, 1990),

* score obtained in the test Instrumental Activity in Daily Living (Lawton MP and Brody EM, 1969),
* score obtained in the test Neuropsychiatric Inventory (Cummings JL et al., 1994),
* peripheral vascular function measured by doppler.

To evaluate the effectiveness of motor treatment, compared to a cognitive treatment on motor skills, cognitive skills, behavioral and autonomy in patients with cognitive decline, all patients will be evaluated by motor, cognitive, behavioral and autonomy scales, at baseline, after 6 months (T1), and after others 3 months (T2). A subgroup of 50% of patients will undergo instrumental procedures to investigate the effects of treatments on cerebral blood flow (arterial spin labeling).

TREATMENT PROCEDURES

The participants will be recruited and randomly assigned, according to the degree of cognitive decline, to one of the 3 groups (7-8 subjects):

* Physical Activity group (PA group): It will perform a program consist of 15 min of warm-up, 60 min of aerobic and resistance training, and 15 min of cool-down.
* Cognitive treatment group (CT group): The cognitive stimulation group will received a rehabilitation program with multimodal repetitive stimulation in order to exercise and reinforce the cognitive skills of the participant to slow/prevent the decline. In particular the treatment will be focused on reorient the patient about his/her-self, his/her history and his/her environment, to improve the memory skill by teaching compensatory and restitutive strategies, to help the patient to the discussion about everyday life and in particular to the everyday problems The PA and CT groups will be homogeneous for clinical and demographic data, and participants will undergo 72 treatment group sessions, 60-minute/session, and 3 days/week for 6 consecutively months.

Both types of treatment will be balanced with different degrees of difficulty depending on the state of disease severity .

o The control groups (CG) will not receive any such treatment during the study and they will be evaluated by the same clinical and instrumental assessments.

Conditions

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Alzheimer Disease Cognitive Impairment Physical Activity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Alzheimer's Disease (G1)

(G1) physical activity (PA)

Group Type EXPERIMENTAL

Physical activity (PA)

Intervention Type OTHER

It will perform a program consist of 15 min of warm-up, 60 min of aerobic and resistance training, and 15 min of cool-down.

Alzheimer's Disease (G2)

(G2) cognitive treatment (CT)

Group Type EXPERIMENTAL

cognitive treatment (CT)

Intervention Type OTHER

The cognitive stimulation group will received a rehabilitation program with multimodal repetitive stimulation in order to exercise and reinforce the cognitive skills of the participant to slow/prevent the decline. In particular the treatment will be focused on reorient the patient about his/her-self, his/her history and his/her environment, to improve the memory skill by teaching compensatory and restitutive strategies, to help the patient to the discussion about everyday life and in particular to the everyday problems

Healthy Old Subjects (G1)

Control group old

Group Type NO_INTERVENTION

No interventions assigned to this group

Healthy young Subjects (G2)

Control group young

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Physical activity (PA)

It will perform a program consist of 15 min of warm-up, 60 min of aerobic and resistance training, and 15 min of cool-down.

Intervention Type OTHER

cognitive treatment (CT)

The cognitive stimulation group will received a rehabilitation program with multimodal repetitive stimulation in order to exercise and reinforce the cognitive skills of the participant to slow/prevent the decline. In particular the treatment will be focused on reorient the patient about his/her-self, his/her history and his/her environment, to improve the memory skill by teaching compensatory and restitutive strategies, to help the patient to the discussion about everyday life and in particular to the everyday problems

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* age ≥ 65 years;
* Mini Mental State Examination (MMSE) ≥ 8;
* Performance Oriented Mobility Assessment ≥ 19 (POMA).

Exclusion Criteria

* presence of other concurrent neurological diseases;
* presence of other orthopaedic diseases involving the lower limbs and/or interfering with standing position and/or walking;
* presence of severe auditory and visual deficits not corrected;
* abuse of alcohol or drugs;
* psychiatric disorders,
* severe behavioral disorders;
* hearth and respiratory disease that interfere with the motor activity.

Minimum Eligible Age

65 Years

Maximum Eligible Age

90 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes